MARY ALARCON
NPI 1083868541
Occupational Therapist in San Diego, CA
About Mary Alarcon NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ALARCON (NPI 1083868541) is an individual occupational therapist in San Diego, California, licensed in California (10714) and active in the NPI registry since November 2008.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Alarcon is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Mary Alarcon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palm Desert, CA 92211
- Reassigned Medicare billing, California enrollment
- 38 clinicians in this Medicare group
Woodland Hills, CA 91367
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: All Care Physical Therapy, PC
- 266 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 92 clinicians in this Medicare group
Katy, TX 77450
- Reassigned Medicare billing, California enrollment
- 124 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Alarcon's NPI number?
The NPI number for Mary Alarcon is 1083868541. It was assigned to this individual provider in the NPPES registry on November 11, 2008.
Where is Mary Alarcon located?
Mary Alarcon practices at 11553 Windcrest Ln Apt 251, San Diego, CA 92128. The listed phone number is (570) 590-3340.
What is Mary Alarcon's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Mary Alarcon enrolled in Medicare?
Yes. Mary Alarcon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mary Alarcon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Alarcon reassigns Medicare benefits to 4 organizations: Easy Speech Pathology, Inc. (Palm Desert, CA), All Care Physical Therapy, P.C. (Woodland Hills, CA), Feld Care Therapy Inc (Thousand Oaks, CA) and Slptele LLC (Katy, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Alarcon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Alarcon was last updated on June 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.